Granahan Investment Management, LLC
Granahan Investment Management, LLC is an independent investment adviser headquartered in Waltham, Massachusetts. Founded in 1985, the firm specializes in small-cap and mid-cap equity strategies for institutional clients and high net-worth individuals. As of 2025, it employs approximately 20 professionals and manages over $2.5 billion in assets. Granahan serves pension funds, endowments, foundations, and other institutional investors.
Investment Strategy
Granahan Investment Management focuses on small-cap and mid-cap equity investing using rigorous fundamental research to identify high-growth opportunities, often in under-followed sectors and companies. Their philosophy emphasizes deep sector knowledge, active management, and risk control to achieve long-term capital appreciation for clients.
Top Holdings
Equity Positions (149)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
P PRCH | PORCH GROUP INC | 5.58% | $137.1M | 11,631,775 | $7.06 | $11.79 | +$51.6M |
O ODD | ODDITY TECH LTD | 4.16% | $102.3M | 1,355,347 | $35.80 | $75.47 | +$35.0M |
M MGNI | MAGNITE INC | 3.58% | $87.9M | 3,642,786 | $16.39 | $24.12 | +$57.6M |
G GENI | GENIUS SPORTS LIMITED | 3.53% | $86.7M | 8,336,296 | $7.51 | $10.40 | +$8.8M |
M MRX | MAREX GROUP PLC | 3.34% | $82.0M | 2,077,153 | $24.56 | $39.47 | +$7.2M |